The Effective Use of Presentation Visuals

question 28

Multiple Choice

The effective use of presentation visuals:

• A)clarifies and emphasizes important points.
• B)increases the time required to present a concept.
• C)decreases retention from 38% to 14%.
• D)reduces a speaker's ability to achieve his or her goals.

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Definitions:

Standard Error

The standard deviation of the sampling distribution of a statistic, often used in constructing confidence intervals around a sample statistic to estimate the population parameter.

Test Statistic

A metric deduced from a sample's data in the process of hypothesis testing, which aids in determining the rejection of the null hypothesis.

P-value

The probability of observing a statistic at least as extreme as the one observed if the null hypothesis is true.

Upper Tailed Test

A hypothesis test where the critical area, in which the null hypothesis is rejected, is located in the upper tail of the probability distribution.